#ifndef USART3_H_
#define USART3_H_
#include "system.h"
#include "stm32f10x.h"	
#define USART3_REC_LEN  200  	
extern u8  USART3_RX_BUF[USART3_REC_LEN]; 
extern u16 USART3_RX_STA;         		
void usart3_init(u32 bound);
#endif